The Monitoring the Future (MTF) study is an ongoing series of national surveys of American adolescents and adults that has provided the nation with a vital window into the important, but largely hidden, problem behaviors of illegal drug use, alcohol use, tobacco use, anabolic steroid use, and psychotherapeutic drug use. For more than a third of…

The use of licit and illicit drugs by American young people has been a source of major policy and public health concerns for the United States since the mid-1960s. The use of these substances is a leading cause of eventual disease and death in the population, but it also contributes in important ways to mortality and morbidity during adolescence. …